OSG Screw Thread Insert STI Tap: Spiral Fute, M10x1.5 Metric, D4 / 4H-6H, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes that will accept screw thread inserts. This M10x1.5 metric tap features a D4 / 4H-6H tolerance, 3 flutes, and is made from…
SKU 3G-OTH-273409
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for threading holes that will accept screw thread inserts. This M10x1.5 metric tap features a D4 / 4H-6H tolerance, 3 flutes, and is made from high-speed steel (MPN 10900800).
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in pre-drilled holes for screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are needed in softer materials like aluminum or cast iron.
What are the specifications of the OSG M10x1.5 STI tap?
This OSG STI tap has a metric M10x1.5 thread size, a D4 / 4H-6H tolerance class, 3 flutes, and is made from high-speed steel. The spiral-flute design aids chip evacuation in blind-hole applications. The manufacturer part number is 10900800.
Where to buy OSG STI taps worldwide?
You can source OSG STI taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this M10x1.5 spiral-flute tap.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap based on the insert's thread size and pitch, such as M10x1.5. Ensure the tap tolerance class (e.g., D4 / 4H-6H) matches the required thread fit. Use a spiral-flute design for blind holes and a straight-flute for through holes. Always follow the insert manufacturer's drilling and tapping recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















